:root {
  /* Color Palette - 5 primary colors with light/dark shades */
  --primary-orange: #f27c3a;
  --primary-orange-light: #ef8a48;
  --primary-orange-dark: #f48445;
  
  --primary-teal: #277285;
  --primary-teal-light: #55a6c2;
  --primary-teal-dark: #275968;
  
  --primary-purple: #625ad0;
  --primary-purple-light: #aaafff;
  --primary-purple-dark: #6a44ca;
  
  --primary-gold: #ffda57;
  --primary-gold-light: #ecac3f;
  --primary-gold-dark: #df7457;
  
  --primary-green: #00b298;
  --primary-green-light: #4edfb7;
  --primary-green-dark: #07b576;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-teal) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--primary-purple) 0%, var(--primary-gold) 100%);
  --gradient-accent: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-teal) 100%);
  
  /* Typography */
  --font-size-base: 16px;
  --font-size-small: 14px;
  --font-size-large: 18px;
  --font-size-h1: 2.2rem;
  --font-size-h2: 1.8rem;
  --font-size-h3: 1.5rem;
  --font-size-h4: 1.25rem;
  --font-size-h5: 1.1rem;
  --font-size-h6: 1rem;
  --navbar-brand-size: 1.4rem;
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: #404040;
  margin: 0;
  padding: 0;
}

/* Typography */
h1 {
  font-size: var(--font-size-h1);
  font-weight: 700;
  margin-bottom: 1.12rem;
}

h2 {
  font-size: var(--font-size-h2);
  font-weight: 600;
  margin-bottom: 0.99rem;
}

h3 {
  font-size: var(--font-size-h3);
  font-weight: 600;
  margin-bottom: 0.80rem;
}

h4 {
  font-size: var(--font-size-h4);
  font-weight: 500;
  margin-bottom: 0.77rem;
}

h5 {
  font-size: var(--font-size-h5);
  font-weight: 500;
  margin-bottom: 0.64rem;
}

h6 {
  font-size: var(--font-size-h6);
  font-weight: 500;
  margin-bottom: 0.64rem;
}

p {
  font-size: var(--font-size-base);
  margin-bottom: 1.12rem;
}

/* Header */
.navbar {
  background: var(--gradient-primary);
  padding: 0.8rem 0;
  box-shadow: 0 7px 11px rgba(0,0,0,0.1);
}

.navbar-brand {
  font-size: var(--navbar-brand-size) !important;
  font-weight: 700;
  color: white !important;
}

.navbar-nav .nav-link {
  color: white !important;
  font-weight: 500;
  margin: 0 0.5rem;
  transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
  color: var(--primary-gold-light) !important;
  transform: translateY(-1px);
}

/* Hero Section */
.hero-section {
  padding-top: 50px;
  min-height: 100vh;
  background: var(--gradient-secondary);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('../HUY_images/hero-bg.webp') center/cover no-repeat;
  opacity: 0.2;
  z-index: 1;
}

.hero-content {
  padding-top: 100px !important;
  position: relative;
  z-index: 2;
  color: white;
}

.hero-title {
  font-size: var(--font-size-h1);
  font-weight: 700;
  margin-bottom: 1.12rem;
  text-shadow: 3px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
  font-size: var(--font-size-h3);
  font-weight: 400;
  margin-bottom: 1.73rem;
  opacity: 0.9;
}

.hero-desc {
  font-size: var(--font-size-large);
  margin-bottom: 2.20rem;
  opacity: 0.8;
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section-title {
  font-size: var(--font-size-h2);
  font-weight: 700;
  text-align: center;
  margin-bottom: 1.12rem;
  color: var(--primary-teal-dark);
}

.section-subtitle {
  font-size: var(--font-size-h4);
  font-weight: 400;
  text-align: center;
  margin-bottom: 1.12rem;
  color: var(--primary-purple);
}

.section-desc {
  font-size: var(--font-size-base);
  text-align: center;
  margin-bottom: 3.22rem;
  color: #595554;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* About Section */
.about-section {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9e9e9 100%);
}

.about-feature {
  text-align: center;
  padding: 1.5rem;
  margin-bottom: 2.20rem;
  background: white;
  border-radius: 13px;
  box-shadow: 0 7px 19px rgba(0,0,0,0.08);
  transition: transform 0.3s ease;
}

.about-feature:hover {
  transform: translateY(-8px);
}

.about-feature h4 {
  color: var(--primary-orange);
  margin-bottom: 1.12rem;
}

/* Services Section */
.services-section {
  background: var(--gradient-accent);
  color: white;
}

.services-section .section-title,
.services-section .section-subtitle {
  color: white;
}

.services-item {
  background: white;
  border-radius: 117px;
  padding: 2rem;
  margin-bottom: 2.20rem;
  text-align: center;
  box-shadow: 0 13px 30px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
  color: #282525;
}

.services-item:hover {
  transform: translateY(-15px);
}

.services-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 15px;
  margin-bottom: 1.12rem;
}

.services-item h4 {
  color: var(--primary-teal-dark);
  margin-bottom: 1.12rem;
}

.services-item p {
  color: #7d7877;
  margin-bottom: 1.12rem;
}

.services-price {
  font-size: var(--font-size-h3);
  font-weight: 700;
  color: var(--primary-orange);
  margin-top: 1.25rem;
}

/* Features Section */
.features-section {
  background: #f8f9fa;
}

.features-item {
  text-align: center;
  padding: 2rem;
  margin-bottom: 2.20rem;
}

.features-item i {
  font-size: 3.11rem;
  color: var(--primary-purple);
  margin-bottom: 1.12rem;
}

.features-item h4 {
  color: var(--primary-teal-dark);
  margin-bottom: 1.12rem;
}

/* Price Plan Section */
.priceplan-section {
  background: var(--gradient-primary);
  color: white;
}

.priceplan-section .section-title,
.priceplan-section .section-subtitle {
  color: white;
}

.priceplan-item {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  margin-bottom: 2.20rem;
  text-align: center;
  box-shadow: 0 11px 30px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
  color: #322f2f;
}

.priceplan-item:hover {
  transform: scale(1.05);
}

.priceplan-item h4 {
  color: var(--primary-purple);
  margin-bottom: 1.12rem;
}

.priceplan-price {
  font-size: var(--font-size-h2);
  font-weight: 700;
  color: var(--primary-orange);
  margin: 1rem 0;
}

.priceplan-features {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
}

.priceplan-features li {
  padding: 0.5rem 0;
  border-bottom: 1px solid #eee;
}

/* Team Section */
.team-section {
  background: #f8f9fa;
}

.team-member {
  text-align: center;
  margin-bottom: 2.20rem;
}

.team-member img {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: 1.12rem;
  border: 5px solid var(--primary-gold);
}

.team-member h4 {
  color: var(--primary-teal-dark);
  margin-bottom: 0.64rem;
}

.team-member p {
  color: var(--primary-purple);
  font-weight: 500;
}

/* Reviews Section */
.reviews-section {
  background: var(--gradient-secondary);
  color: white;
}

.reviews-section .section-title,
.reviews-section .section-subtitle {
  color: white;
}

.reviews-item {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  margin-bottom: 2.20rem;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  color: #262626;
}

.reviews-item p {
  font-style: italic;
  margin-bottom: 1.12rem;
  color: #6d6c6c;
}

.reviews-author {
  font-weight: 700;
  color: var(--primary-teal-dark);
}

/* Case Study Section */
.casestudy-section {
  background: #f8f9fa;
}

.casestudy-item {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  margin-bottom: 2.20rem;
  box-shadow: 0 5px 15px rgba(0,0,0,0.08);
  transition: transform 0.3s ease;
}

.casestudy-item:hover {
  transform: translateY(-5px);
}

.casestudy-item h4 {
  color: var(--primary-orange);
  margin-bottom: 1.12rem;
}

/* Process Section */
.process-section {
  background: var(--gradient-accent);
  color: white;
}

.process-section .section-title,
.process-section .section-subtitle {
  color: white;
}

.process-item {
  background: white;
  border-radius: 15px;
  padding: 1.5rem;
  margin-bottom: 2.20rem;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  color: #343131;
}

.process-item h4 {
  color: var(--primary-purple);
  margin-bottom: 1.12rem;
}

/* Timeline Section */
.timeline-section {
  background: #f8f9fa;
}

.timeline-item {
  padding: 1.5rem;
  margin-bottom: 2.20rem;
  border-left: 4px solid var(--primary-orange);
  background: white;
  border-radius: 0 10px 10px 0;
  box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.timeline-item h4 {
  color: var(--primary-teal-dark);
  margin-bottom: 1.12rem;
}

/* Career Section */
.career-section {
  background: var(--gradient-primary);
  color: white;
}

.career-section .section-title,
.career-section .section-subtitle {
  color: white;
}

.career-item {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  margin-bottom: 2.20rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  color: #323131;
}

.career-item h4 {
  color: var(--primary-orange);
  margin-bottom: 1.12rem;
}

.career-role {
  color: var(--primary-purple);
  font-weight: 600;
  margin-bottom: 1.12rem;
}

/* Core Info Section */
.coreinfo-section {
  background: #f8f9fa;
}

.coreinfo-item {
  text-align: center;
  padding: 2rem;
  margin-bottom: 2.20rem;
  background: white;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.08);
  transition: transform 0.3s ease;
}

.coreinfo-item:hover {
  transform: translateY(-5px);
}

.coreinfo-item i {
  font-size: 3.11rem;
  color: var(--primary-green);
  margin-bottom: 1.12rem;
}

.coreinfo-item h4 {
  color: var(--primary-teal-dark);
  margin-bottom: 1.12rem;
}

/* Blog Section */
.blog-section {
  background: var(--gradient-secondary);
  color: white;
}

.blog-section .section-title,
.blog-section .section-subtitle {
  color: white;
}

.blog-item {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  margin-bottom: 2.20rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  color: #212121;
  transition: transform 0.3s ease;
}

.blog-item:hover {
  transform: translateY(-5px);
}

.blog-item h4 {
  color: var(--primary-teal-dark);
  margin-bottom: 1.12rem;
}

.blog-item p {
  color: #787878;
  margin-bottom: 1.12rem;
}

.blog-item a {
  color: var(--primary-orange);
  text-decoration: none;
  font-weight: 600;
}

.blog-item a:hover {
  color: var(--primary-orange-dark);
}

/* FAQ Section */
.faq-section {
  background: #f8f9fa;
}

.faq-item {
  background: white;
  border-radius: 10px;
  margin-bottom: 1.12rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.faq-question {
  background: var(--gradient-primary);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: 10px 10px 0 0;
  margin: 0;
  font-weight: 600;
  cursor: pointer;
}

.faq-answer {
  padding: 1.5rem;
  margin: 0;
  color: #7a7a7a;
  border-radius: 0 0 10px 10px;
}

/* Gallery Section */
.gallery-section {
  background: var(--gradient-accent);
  padding: 4rem 0;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
}

.gallery-item {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

.gallery-item:hover {
  transform: scale(1.05);
}

.gallery-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

/* Contact Section */
.contact-section {
  background: var(--gradient-primary);
  color: white;
}

.contact-section .section-title,
.contact-section .section-subtitle {
  color: white;
}

.contact-form {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  color: #443e3e;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.contact-form .form-group {
  margin-bottom: 1.73rem;
}

.contact-form label {
  font-weight: 600;
  color: var(--primary-teal-dark);
  margin-bottom: 0.64rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.8rem;
  border: 2px solid #e4edfe;
  border-radius: 8px;
  font-size: var(--font-size-base);
  transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary-orange);
}

.contact-form button {
  background: var(--gradient-secondary);
  color: white;
  border: none;
  padding: 1rem 2rem;
  border-radius: 8px;
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.contact-form button:hover {
  transform: translateY(-2px);
}

.contact-info {
  margin-top: 2.18rem;
}

.contact-info p {
  margin-bottom: 1.12rem;
  font-size: var(--font-size-large);
}

/* Footer */
.footer {
  background: #253041;
  color: white;
  padding: 3rem 0 1rem;
}

.footer h5 {
  color: var(--primary-gold);
  margin-bottom: 1.12rem;
}

.footer p,
.footer a {
  color: #adb2b6;
  text-decoration: none;
  margin-bottom: 0.64rem;
}

.footer a:hover {
  color: var(--primary-gold-light);
}

.footer-copyright {
  text-align: center;
  margin-top: 2.18rem;
  padding-top: 2.06rem;
  border-top: 1px solid #304a5f;
  color: #a2b5b4;
}

/* Breadcrumbs */
.breadcrumb-section {
  background: var(--gradient-primary);
  padding: 1rem 0;
}

.breadcrumb-img {
  width: 30px;
  height: 30px;
  object-fit: cover;
  border-radius: 50%;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  ::before,
  ::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Additional Utility Classes */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn-gradient {
  background: var(--gradient-secondary);
  border: none;
  color: white;
  padding: 0.8rem 2rem;
  border-radius: 25px;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  transition: transform 0.3s ease;
}

.btn-gradient:hover {
  transform: translateY(-2px);
  color: white;
}

.space-section {
  min-height: 60vh;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
} 


/* Team Social Links - Square Style */
.team-social-links {
    margin-top: 18px;
    padding: 12px 0;
}

.social-icons-grid {
    display: flex;
    gap: 12px;
    justify-content: center;
    align-items: center;
}

.social-link {
    display: inline-flex;
    width: 42px;
    height: 42px;
    border-radius: 8px;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    font-size: 17px;
    transition: all 0.3s ease;
    box-shadow: 0 3px 12px rgba(0,0,0,0.15);
    position: relative;
}

.social-link:hover {
    transform: translateY(-2px) rotate(5deg);
    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
    color: white;
}

.facebook-link {
    background: #1877f2;
    border: 2px solid #1877f2;
}

.facebook-link:hover {
    background: #166fe5;
    border-color: #166fe5;
}

.linkedin-link {
    background: #0a66c2;
    border: 2px solid #0a66c2;
}

.linkedin-link:hover {
    background: #0959aa;
    border-color: #0959aa;
}

.x-link {
    background: #000000;
    border: 2px solid #000000;
    position: relative;
}

.x-link::after {
    content: '✕';
    font-weight: bold;
    font-size: 18px;
}

.x-link:hover {
    background: #333333;
    border-color: #333333;
}

.x-link i {
    display: none;
}

@media (max-width: 768px) {
    .social-icons-grid {
        gap: 8px;
    }
    
    .social-link {
        width: 38px;
        height: 38px;
        font-size: 15px;
    }
}